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          Home > News

          The main motor of concrete mixer is not moving

          2020-01-20 11:48:18

           The main motor of concrete mixer is not moving

          Symptom: Press the mixer on the console start button, the mixer does not start.

          Cause Analysis:

          1. The air compressor is not activated or the gas supply system pressure is not reached

          2. Stirring the host maintenance protection switch and the host with a key tight stop switch is not connected.

          3. The console on the tight stop switch is not reset.

          4. The host power switch is not connected.

          5. The host stop signal must be reset.

          Process:

          1. Check the compressed air detection signal (greater than 0.4MPa pressure signal) is sent to the PLC, that is, I8.0 whether there is signal. If I8.0 no signal, then check the air compressor pressure is greater than 0.4MPa, when the pressure reaches 0.4MPa or more, I8.0 no signal, then check the electrical contact pressure gauge adjustment is normal or damaged until I8.0 signal.

          2. Checking the mixing console maintenance switch switch signal is sent to the PLC

          3. Checking the console on the tight stop switch is reset,

          4. Checking the host power switch is connected.

          5. Checking the host to stop the button is reset

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